/*
 * Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * Neither the name of ARM nor the names of its contributors may be used
 * to endorse or promote products derived from this software without specific
 * prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */



#define SMC_PARAM_W0_OFFS       0
#define SMC_PARAM_W2_OFFS       8
#define SMC_PARAM_W4_OFFS       16
#define SMC_PARAM_W6_OFFS       24

.macro func _name
.section .text.\_name, "ax"
.type \_name, %function
\_name:
.endm

/*
 :
 uboot secure world entry

 func prototype:
 void tee_smc_call(struct smc_param *param); */
.globl tee_smc_call

func tee_smc_call
        stp     x28, x30, [sp, #-16]!
        mov     x28, x0
        ldp     w0, w1, [x28, #SMC_PARAM_W0_OFFS]
        ldp     w2, w3, [x28, #SMC_PARAM_W2_OFFS]
        ldp     w4, w5, [x28, #SMC_PARAM_W4_OFFS]
        ldp     w6, w7, [x28, #SMC_PARAM_W6_OFFS]
        smc     #0
        stp     w0, w1, [x28, #SMC_PARAM_W0_OFFS]
        stp     w2, w3, [x28, #SMC_PARAM_W2_OFFS]
        ldp     x28, x30, [sp], #16
        ret

